Solar-linked demonstration at an apartment complex
A next-generation battery described as free from fire concerns is nearing commercialization.
TNP Solution, a company specializing in next-generation rechargeable batteries, is accelerating commercialization after successfully completing a demonstration of a solar-linked energy storage system (ESS) using aqueous zinc-ion batteries at an apartment complex.
TNP Solution said it completed a demonstration of a solar-linked energy storage system based on high-safety aqueous zinc batteries as the lead organization in the 2025 Innovative Technology Demonstration Program for Climate Change Response, promoted by the Seoul Metropolitan Government and administered by the Seoul Institute.
A research team led by Professor Kim Chan-hoon of Hanyang University participated as a technical cooperation partner, while Seoul Housing and Communities Corporation (SH) participated as the demonstration organization.
The demonstration is significant because an aqueous zinc-ion battery-based ESS was operated in conjunction with solar generation equipment at an apartment complex occupied by residents, rather than in a laboratory. The company explained that storing solar-generated electricity in batteries and supplying it when needed confirmed charging and discharging control, integration with power conversion equipment and the feasibility of system operation.
Installing batteries in living spaces inside and around buildings requires verification not only of cell-level performance but also of safety, system control and operational reliability. TNP Solution plans to use the operational experience gained in this demonstration to develop commercial urban ESS and building energy storage system products.
In a telephone interview with the outlet, TNP Solution Chief Executive Kang Seong-gu said, “Battery safety is something that can never be compromised in spaces where people go about their daily lives. This demonstration marks a turning point, proving that aqueous zinc batteries are a high-safety energy solution that can be used immediately in real living environments beyond the laboratory. We will distinguish ourselves from a market focused on high energy density and actively develop the urban power supply market, where safety and reliability are essential.”
Safety and applications of aqueous zinc-ion batteries
Aqueous zinc-ion batteries are rechargeable batteries that have recently attracted attention. As solar and distributed generation deployment expands, ESS markets in South Korea and abroad are placing greater importance not only on energy density but also on fire safety and total costs, including installation and maintenance. Battery safety is a key adoption requirement, particularly in spaces where people are present or essential equipment is located, such as apartment complexes, hospitals, data centers and telecommunications facilities.
An aqueous zinc-ion battery is a rechargeable battery that uses a water-based electrolyte and a zinc metal anode. Its nonflammable aqueous electrolyte can minimize the risk of the electrolyte itself igniting, while its use of relatively abundant zinc offers competitiveness in raw material and manufacturing costs.
Although their energy density may be lower than that of lithium-ion batteries, aqueous zinc-ion batteries are attracting attention as an alternative or complementary technology for stationary ESS, uninterruptible power supplies, telecommunications backup power and industrial applications that prioritize safety and cost-effectiveness.
Original Korean article: starnewskorea.com
English brief by Korea Wind Intelligence, koreawindintel.com
