
ABOUT US
IEST comes from "Initial Energy Science & Technology",the initial letter "i" symbolizes lithium-ion batteries, representing IEST focus on new energy.
IEST is a high-tech enterprise focusing on R&D and production of lithium ion battery testing instruments. IEST is a professional manufacturer that integrating laboratory instrument R&D and production, method development, instrument sales and technical services.
PARTNER













OUR SERVICE

Automatic testing in laboratory and production line process

Testing service platform

Design and precisely machining services

Special testing instruments for lithium batteries
APPLICATION CASE

Silicon Anode Swelling Can Be Quickly Evaluated Without the Need for Battery Fabrication

Cyclic Expansion and Capacity Fading Analysis of Silicon Carbon System Cells

Build Zero Volume Expansion of Lithium Composite Anode to Achieve High Energy Density

IEST Facilitate the Publication of High-level Papers

Construction of Zero Volume Expansion Lithium Composite Anode to Achieve High Energy Density and Stable Flexible Lithium Metal Battery

Compression and Conductivity Analysis of Different Particle Size Distribution for LCO Materials

The Pressure Distribution System Quickly Characterizes the Initial Flatness of the Cell

Analysis of Electrical Conductivity and Compaction Density of LMFP Material

A Method for Estimating the SOC of LiFePO4 Battery by Using the Expansion Force

Analysis of Gas Production Behavior of LFP System Cell
NEWS

05/22
- 2023
CIBF2023 Closing Ceremony | IEST Successfully Concludes
On May 18th, the 15th Shenzhen International Battery Technology Exhibition (CIBF2023) came to a successful conclusion at the Shenzhen International Convention and Exhibition Center.

06/02
- 2023
Recycled LIB Material Achieves Comparable Performance to Virgin Material

06/01
- 2023
The Average Price of Battery-grade Lithium Carbonate Exceeded 300,000 Yuan/Ton

05/31
- 2023
Hyundai Motor Group and LGES Invest 4.3 Billion to Build U.S. Plant