As the electric vehicle charging infrastructure market grows, related industries are also speeding up efforts to improve operating efficiency.

Industry officials say the number of registered EVs topped 1,000,000 as of 2025, but space to install chargers remains limited.

EV Partners offers a "three-channel EV charger". Based on a three-phase, four-wire system, it can charge up to 3 vehicles simultaneously using a single incoming power supply. It also allows an integrated design covering wiring, circuit breakers and incoming-line construction. Installation costs can also be reduced. The company says installing 3 separate single-phase, one-channel chargers costs about 5.1 million won, but replacing them with 1 three-channel charger cuts the cost to about 4.0 million won.

EV Partners CEO Kyung-seop Song (송경섭) said, "You should look not at the price of a single charger but at the total cost of building the entire site." He said, "The larger the installation site, the greater the economic benefit of the three-channel structure." EV Partners aims to install more than 5,000 units by 2029, focusing on major industrial complexes and multi-family housing nationwide.

BioDisplay is focusing on strengthening durability, taking into account that EV users cite charger breakdowns as a major inconvenience.

The company said most EV chargers are installed outdoors, so using general industrial displays can leave them vulnerable to heat waves, extreme cold and monsoon rains. BioDisplay CEO Ho-yeon Cho (조호연) said, "We will continue to focus on research and development without losing sight of the core value of field reliability." He said, "In the growing global EV charging market, we will prove the excellence of domestic technology and continue to expand a dedicated model lineup optimised for public environments."

BioDisplay plans to expand its market share by participating not only with charger manufacturers but also in charging infrastructure projects run by public institutions and local governments.

As charger deployment expands, power peak and safety issues are also coming into focus. Installing ultra-fast chargers in underground parking lots in city centres requires large-capacity energy storage systems, but existing lithium-ion battery-based systems are not free from fire risks.

Standard Energy has put forward its self-developed vanadium ion battery as an alternative. The company said the vanadium ion battery is made of vanadium and water, eliminating the possibility of ignition. It also applies high-conductivity materials and high-purity refining technology, allowing it to maintain efficiency even in high-output and low-temperature environments. The company said stability is not compromised even after repeated charging. Standard Energy said it completed a demonstration without a single fire or safety incident by operating an ESS-linked ultra-fast charging service in the Apgujeong-dong area of Seoul for about 1 year and 9 months through a regulatory sandbox.