# Iopsilion

Startup profile on Capital Atlas: https://capitalatlas.ai/startups/iopsilion

- Industry: Energy Storage & Batteries
- Headquarters: Liyang, China
- Website: liyxiandao.cnpowder.com.cn
- Latest round: Series C (Mar 16, 2026)
- Investors on record: 5

## About

Based in Liyang, China and founded in 2017, Liyang Tianmu Pioneer Battery Material Technology Co., Ltd., trading as Iopsilion, operates as a developer of new silicon cathode materials for lithium-ion batteries, integrating research and development, production and sales. The core team of the company is formed by academician Liquan Chen and researcher Hong Li from Institute of Physics, Chinese Academy of Sciences. Iopsilion has cooperated with ATL, Samsung, LG, and Tesla. In June 2026, it closed a venture funding round from Govtor.

The products of the company can be categorized into three categories which are silicon oxide, nano-silicon carbon composite anode materials and other ionic conductor products. Products within include first generation silicon oxide, second generation silicon oxide, SL650B1-SC, and TMTPJ-300. The products and services can be used in many fields such as electric vehicles, consumer electronics, power tools, scale energy storage, aerospace, and national security.

The company generates revenue from the sales of new silicon cathode materials for lithium-ion batteries.

## Funding rounds

- Series C, Mar 16, 2026 — Zhejiang Deshi Investment Management, Jingtao Capital, Junlang Venture Capital
- Series A, Nov 15, 2019 — CAS Venture Capital, Three Gorges Investment

## Investors

- CAS Venture Capital (https://capitalatlas.ai/funds/cas-venture-capital) — Series A
- Three Gorges Investment (https://capitalatlas.ai/funds/three-gorges-investment) — Series A
- Zhejiang Deshi Investment Management — Series C
- Jingtao Capital (https://capitalatlas.ai/funds/jingtao-capital) — Series C
- Junlang Venture Capital — Series C