Shenzhen ZH Energy Storage Technology Co., Ltd.

Shenzhen ZH Energy Storage Technology Co., Ltd. is a global provider of flow battery systems. Leveraging advanced VRFB and iron-sulfur technologies, it manufactures cost-effective, high-performance components for safe, long-duration energy storage and grid-scale applications.

Company Location

Country:

China

City:

Shenzhen

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Company Overview

Shenzhen ZH Energy Storage Technology Co., Ltd. is a global provider of materials and equipment for flow batteries, founded in 2021 in Shenzhen, China by Dr. Wei Xie. Its mission is to reduce the high initial cost of flow battery technology by producing low-cost, high-performance materials to enable safer, large-scale energy storage solutions and support carbon neutrality goals.

Battery Technology

Focuses on Vanadium Redox Flow Batteries (VRFBs) and iron-sulfur flow battery systems. Manufactures battery stacks, single cells, and modular systems (3W–500kW), non-fluorinated ion-exchange membranes, high-efficiency catalyst electrodes, and novel iron-sulfur electrolytes. Operations in Shenzhen, Changsha, and Shanxi with ISO9001 certification and an annual stack production capacity of hundreds of megawatts.

Products

Offers non-fluorinated ion-exchange membranes, single cells, standardized stacks (1kW–32kW), flow battery test systems, advanced Battery Management Systems (BMS), and standardized modules (250kW and 500kW) for large-scale systems.

Recent Projects

In 2025 unveiled a 125kW/1MWh Sulfur-Iron Flow Battery System at ESIE 2025 featuring zero combustion/explosion risk, ultra-low life cycle energy cost (~0.1 yuan/kWh), and reduced electrolyte cost (~0.2 yuan/Wh). Collaborates with Central South University on advanced materials development for cost and performance improvements.

Investors

Seed funding of 0M yuan from Sequoia China Seed Fund (now HongShan China Seed Fund) in 2022; additional equity investment from Hidden Hill Capital and CMB International.

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