The American Journal of Engineering and Technology
74
https://www.theamericanjournals.com/index.php/tajet
TYPE
Original Research
PAGE NO.
74-81
10.37547/tajet/Volume07Issue02-10
OPEN ACCESS
SUBMITED
24 December 2024
ACCEPTED
26 January 2025
PUBLISHED
28 February 2025
VOLUME
Vol.07 Issue02 2025
CITATION
Anton Nedelko. (2025). Technological barriers and strategies for
overcoming them in the development of a charging station network. The
American Journal of Engineering and Technology, 7(02), 74
–
81.
https://doi.org/10.37547/tajet/Volume07Issue02-10
COPYRIGHT
© 2025 Original content from this work may be used under the terms
of the creative commons attributes 4.0 License.
Technological barriers and
strategies for overcoming
them in the development
of a charging station
network
Anton Nedelko
Director. IE “Master Service”, Almaty, Kazakhstan
Abstract:
The article examines challenges encountered
in the process of establishing charging station networks
for electric vehicles, proposes solutions to address
them, and focuses on identifying barriers such as
standard incompatibility, difficulties in implementing
and using different types of devices, and power
limitations.
The methodological approach is based on the analysis
and comparison of charging infrastructure models
implemented in various countries, addressing current
issues and development prospects. Based on the
identified barriers, proposed solutions include
equipment standardization, the creation of intelligent
station management systems, and the modernization of
power grids to meet growing demands.
The findings indicate that the development of a charging
station network requires consideration of multiple
factors: technical standards, economic feasibility, and
environmental safety requirements. The conclusions
drawn will be useful for infrastructure developers,
researchers in the field of sustainable transportation,
and government entities involved in environmental and
transportation policy.
The
conclusion
emphasizes
that
overcoming
technological barriers in creating an accessible and
efficient charging station network is essential for the
widespread adoption of electric vehicles, which will
contribute to the development of a sustainable and
environmentally friendly transportation system.
Keywords:
Charging stations, electric vehicles,
infrastructure,
standardization,
power
grid,
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technological barriers, innovation, ecology.
Introduction:
The development of charging station
infrastructure for electric vehicles is a crucial task in the
transition to sustainable transportation systems. This
is driven by the growing interest in electric vehicles in
recent years, due to their environmental benefits,
economic advantages, and the reduction of
dependency on fossil fuels. For instance, in Kazakhstan,
the number of registered electric vehicles is projected
to exceed 40,000 by 2035. Notably, this forecast was
made at the end of 2022, predicting only 1.1 thousand
electric vehicles in 2023. However, this figure was six
times lower than the actual number recorded by early
2024 [9].
Issues such as incompatibility of charging devices,
overloading of power grids, and discrepancies in
charging standards are slowing the development of
necessary infrastructure. At the same time, the
growing number of electric vehicles requires the
modernization of existing networks and the
implementation of new technologies to improve their
efficiency. The relevance of this issue lies in the need
to find solutions to overcome these obstacles, ensuring
the widespread adoption of electric transportation.
Unlike existing studies, this work focuses on a
comparative analysis of global practices while
proposing specific measures to overcome barriers in
the context of Russia, the Republic of Kazakhstan and
the Republic of Uzbekistan.
The purpose of this study is to identify technological
obstacles in the creation of charging station networks
for electric vehicles and propose solutions for their
resolution. To achieve this goal, the following
objectives are set: to identify technological issues,
propose methods for their elimination, and assess
their practical feasibility considering the characteristics
of
the
existing
energy
and
transportation
infrastructure.
The practical significance of this study lies in the
development of recommendations aimed at improving
the performance of existing charging stations and
facilitating the implementation of new technologies.
METHODS
The development of infrastructure for electric vehicles
and overcoming technological barriers in establishing
charging station networks is increasingly relevant given
the growing interest in electric mobility. Scientific
studies on this topic address various aspects, as
described below.
Technological challenges of electric mobility are
discussed in several articles [1, 2, 4]. In the work of
Goncharov V. and Yankevich N. [2], existing issues in
charging infrastructure for electric vehicles, such as the
incompatibility of different types of charging stations
and vehicles, are analyzed. The authors emphasize the
need for standardization of charging processes and the
integration of charging stations into existing power grids
as a critical step for the effective deployment of
infrastructure.
In the studies by Andreev A. A. and Amangaliev E. Z. et
al. [1, 4], the authors examine the schemes and
equipment used in electric and hybrid vehicles, as well
as the prospects for the development of charging
stations. Particular attention is given to the
requirements for these stations, including the power of
charging devices, compatibility with various vehicle
models, and the necessity of managing energy flows
within the grid.
The legal aspects of electric mobility are also a
significant focus, as highlighted in articles [3, 5, 6].
Sarsembaev M. A. addresses the issues of legal
regulation in the field of electric mobility and the
digitalization of transport engineering. The importance
of implementing modern technologies, such as smart
charging stations, within existing legal frameworks is
underscored. Additionally, the regulation of electric
vehicles and charging stations under the legislation of
Kazakhstan and Russia is discussed.
Economic challenges related to the affordability of
electric vehicles are explored in the article by Aslanov R.
and Muradilov S. [7], which analyzes economic barriers
such as the high cost of electric vehicles and the limited
number of charging stations in Kazakhstan. The article
also highlights the necessity of government incentives,
including tax benefits and infrastructure subsidies, to
reduce barriers for consumers and accelerate the
transition to electric vehicles.
In the work of Moshkov V. B. et al. [8], trends and
challenges in the adoption of electric vehicles, as well as
issues related to infrastructure development, are
considered. The authors stress the need for a
comprehensive approach that includes not only
infrastructure development but also educational
programs and raising awareness of the benefits of
electric mobility.
For statistical data analysis, sources [9-11] were utilized,
with information drawn from websites such as zakon.kz,
ida.kz, and qazaqgreen.com. Sources [12-14] were also
used to demonstrate large companies involved in the
installation of fast charging stations in the Republic of
Kazakhstan, information about whose activities is
posted on the official websites of the organizations.
Thus, studies dedicated to the development of
infrastructure for electric vehicles cover a wide range of
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topics, including technological, legal, and economic
aspects. However, it should be noted that existing
research provides insufficient attention to the
integration of charging stations into urban transport
systems and the effective management of energy flows
in light of the increasing number of electric vehicles.
The methodological approach of this study is based on
the analysis and comparison of charging infrastructure
models implemented in various countries, with a focus
on current challenges and development prospects.
RESULTS
The establishment of infrastructure for charging
stations serving electric vehicles is a complex and
multifaceted
process
encompassing
design,
installation, operation, and maintenance. Each of
these stages involves addressing specific technical
challenges related to power supply, safety,
automation, and integration with urban and industrial
infrastructure.
The integration of charging stations into urban
transport systems is a crucial step toward creating an
environmentally
friendly
and
energy-efficient
environment. This involves installing stations for use by
buses, trolleybuses, taxis, and other forms of public
transport. Such integration minimizes vehicle
downtime by ensuring their readiness for operation
throughout the day. Intelligent charging systems
equipped with fast-charging capabilities and energy
distribution functions based on grid load reduce peak
loads on the city's power system and optimize resource
utilization. Additionally, this integration lays the
foundation for efficient traffic flow management and
improved urban mobility. In the long term, the
integration of stations will contribute to reducing
carbon dioxide emissions, thereby improving the
environmental situation in major cities.
Currently, the highest concentration of public charging
stations is observed in Almaty and Astana, with over 100
stations in each city. These stations are primarily located
in parking areas of large shopping centers, business
centers, and along major roads. For example, in Almaty,
charging stations can be found in the Mega shopping
mall, while in Astana, they are situated in business
districts.
Outside of Almaty and Astana, the fast charging station
infrastructure is less developed. In certain regions, such
as Pavlodar and Aktau, only one station is available,
creating challenges for electric vehicle drivers,
particularly during long-distance travel across the
country [10]. The leading companies representing
access to the use of fast charging stations for motorists
on the territory of the Republic of Kazakhstan are: Arlian
Energy, the authorized capital of the company reached
630 million tenge. Since the middle of 2023, the
company has taken active steps towards the
development of charging infrastructure in the city of
Almaty. DC charging stations with a capacity of 120 kW
are being installed [12]. The next company is eDrive.kz,
a system integrator in the field of charging
infrastructure for electric vehicles. The company
supplies charging stations of various capacities from 3
kW to 180 kW AC and DC [13]. Also worth mentioning is
the EVS organization, which provides a full range of
services for electric vehicles: networked electric vehicle
charging measurements, an application for convenient
monitoring, and other related services. The firm's goal is
to make the electric vehicle experience comfortable and
efficient. Currently, there are more than 40 charging
stations in the network [14]. The geography of charging
station locations in Kazakhstan for 2024 is illustrated in
Figure 1.
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Fig. 1. Geography of the location of charging stations in Kazakhstan for 2024 [11]
The first step in developing a network of charging
stations is designing the entire infrastructure, which
includes
selecting
installation
locations
and
determining the power and type of charging devices.
Each device has specific operational features, which are
illustrated in Figure 2.
Fig. 2. Features of operation of types of charging stations [2, 4, 5]
Featu
res o
f
o
p
er
atio
n
o
f
ty
p
es
o
f
ch
ar
g
in
g
s
tat
io
n
s
Alternating current stations . designed for long-term charging. These
devices are ideal for installation in residential areas, parking lots, and office
complexes where electric vehicles can stay for a long time. The power of
such stations varies from 3.7 kW to 22 kW. It can take from 6 to 12 hours to
fully charge the car.
Direct current (DC) stations are used to quickly replenish the charge in
places where it is necessary to reduce the charging time. The power of such
devices can reach 50 kW, 150 kW and even more. Charging up to 80% is
carried out in 30-60 minutes.
Ultra-fast charging is characterized by an output of over 150 kW, which
allows you to charge an electric vehicle in 10-20 minutes. These stations are
usually installed along major highways and in areas with heavy traffic.
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When designing the network, it is essential to consider
population density, traffic flows, and the accessibility
of facilities for connection to power grids. The use of
geographic information systems and algorithms helps
predict locations where demand will be high. The
process of connecting charging stations to the existing
power grid requires careful development of technical
solutions, with key aspects including energy load
calculations, infrastructure adjustments, and the
implementation of intelligent management systems.
Charging stations, particularly those supporting fast
charging, require connection to high-capacity power
grids. For instance, a 50 kW station requires a 400 V
network with three-phase power capability [2, 4, 5].
The selection of equipment for charging stations
demands attention to multiple factors, such as power
capacity, safety, compatibility with communication
protocols, and management systems. Proper selection
of connectors and communication protocols between
the charging station and the vehicle is crucial. The most
common connectors include Type 1 and Type 2 for
alternating current, used in Europe; CHAdeMO and
CCS for direct current, popular in Japan and Europe;
and Tesla Supercharger, a standard for Tesla vehicles
[2, 4, 5].
To prevent breakdowns and ensure timely repairs,
remote monitoring systems are developed, allowing
real-time tracking of station operations. To enhance
user convenience, integrating the charging station
network with payment platforms and informational
services is essential.
Users should be able to pay for charging via mobile
applications, bank cards, or contactless methods.
Payment platforms must integrate with both local and
international systems.
To optimize network operation, a centralized platform
is required for monitoring the condition of charging
stations, updating software, and analyzing statistics.
Mobile applications for users enable locating nearby
charging stations, checking their availability, and
processing payments.
After installing charging stations, it is vital to establish a
system of regular maintenance, including technical
inspections, replacement of worn components, and
software updates. Real-time monitoring systems help
promptly identify malfunctions, preventing prolonged
downtimes [1, 6, 7].
Thus, developing a network of charging stations for
electric vehicles requires addressing numerous factors,
including infrastructure design, equipment selection,
grid connection, and safety assurance.
DISCUSSION
The main technological barriers to the development of
charging stations for electric vehicles are illustrated in
Figure 3.
Fig. 3. The main technological barriers in the development of charging stations for
electric vehicles
Heterogeneity of charger standards
Capacity constraints and problems of integration
with energy grids
Energy efficiency and safety of charging systems
Logistical and infrastructural problems
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One of the obstacles to establishing an effective
infrastructure
for
electric
vehicles
is
the
incompatibility of connectors and communication
protocols between vehicles and charging stations.
Furthermore, the various protocols for transmitting
information
about
battery
status,
charge
management, and integration with payment systems
complicate the integration process. The diversity of
these protocols, depending on manufacturers and
regions, necessitates the development of adapters,
converters, and specific software, which increases
both capital and operational costs.
Additionally, as the number of electric vehicles
increases, so does the demand for higher-capacity
charging stations. Alternating current (AC) devices
used for standard charging require less power
compared to direct current (DC) devices designed for
fast charging. In large cities, despite a developed
infrastructure, there are often power limitations that
restrict the connection of new stations.
The challenge is further complicated by the need to
synchronize charging processes with the current state
of the grid. Modern methods of managing charging
stations using algorithms to optimize load help
mitigate the risks of overloading, but challenges
related to integration with distributed energy systems
remain unresolved [3, 5, 8].
Another issue for charging stations concerns energy
efficiency and safety. Fast-charging devices often face
overheating, which necessitates the use of advanced
thermal management and temperature control
systems. High thermal losses reduce overall charging
efficiency and shorten equipment lifespan.
Charging devices must provide protection against short
circuits, overloads, voltage fluctuations, and other
network instabilities. Monitoring and diagnostic
systems, which allow for the timely detection of
malfunctions and risk minimization, remain essential
elements in the development of new models.
As the number of electric vehicles grows, the need for
an extensive network of charging stations that
maximizes accessibility while minimizing costs becomes
evident. The placement of charging devices must
consider various factors, such as traffic density, energy
availability, and territorial characteristics. Furthermore,
with the increasing number of charging stations, the
demand for technical maintenance, calibration, and
software updates also rises.
Strategies for overcoming these barriers in the
development of charging station networks are detailed
in Table 1 [1, 6, 7].
Table 1. Strategies for overcoming barriers in the development of charging station
networks (compiled by the author)
Criterion Name
Description
Implementation
Challenges
Effectiveness
Scalable
Infrastructure
Development of modular
charging stations that scale
as demand increases.
Requires additional
initial investment and
potential adjustments
for future equipment
adaptation.
Allows for an
increase in the
number of stations
based on demand.
Interoperability
Ensuring compatibility
between different types of
electric vehicles and
charging stations from
various manufacturers.
Challenges in unifying
charging connectors,
standards, and
protocols; require
coordination with
manufacturers.
Reduces technical
issues but requires
time for
standardization.
Energy
Consumption
Optimization
Use of smart charging
stations with power
regulation and integration
with intelligent grids.
Technical difficulties in
integrating with
existing power grids
and management
systems.
Improves grid
resilience, reduces
overload risks, and
lowers electricity
costs.
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Charging
Systems with
Renewable
Energy Sources
Integration of solar panels
or wind turbines into
charging stations to reduce
grid load.
High installation costs,
dependency on weather
conditions, and
challenges with energy
storage.
Effectively reduces
reliance on
traditional energy
sources but may
require additional
expenditures.
Automated
Charge
Management
Implementation of
management systems that
distribute load among
charging stations and
manage charging times
based on demand.
Requires technical
infrastructure and
software for energy
flow analysis and
management.
Reduces strain on
power grids and
increases station
efficiency.
Thus, the development of charging infrastructure for
electric vehicles is associated with several challenges,
including standard incompatibility, difficulties in
integrating with power grids, and safety concerns.
However, considering advancements in technology,
these barriers can be overcome. Standardization, the
implementation of smart grids, the optimization of
station placement, and the integration of renewable
energy sources are crucial steps toward creating an
efficient charging infrastructure.
CONCLUSION
The study identified technical issues hindering the
creation of an efficient, scalable infrastructure for
charging stations serving electric vehicles. Several
approaches were proposed to address these
challenges: the standardization of equipment to
resolve compatibility issues with charging devices; the
modernization of power grids to provide the necessary
capacity for an increasing number of stations; and the
implementation of intelligent charging station
management systems to optimize energy distribution
and enhance infrastructure efficiency.
Adopting these measures will enable the development
of electric vehicle infrastructure, ensuring its stable
operation under growing demand. The proposed
solutions can serve as a foundation for improving
existing stations and for establishing new standards in
the field of electric mobility.
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