Zeekr 140kWh CATL Qilin

CATL Qilin battery pack

The Zeekr 140kWh CATL Qilin battery pack is interesting as it is an NMC chemistry in a cell to pack design. This pack is used in the 001 and 009. Specifications This post has been built based on the support and sponsorship from: Thermo Fisher Scientific, Eatron Technologies, About:Energy and Quarto Technical Services. The cell mass is estimated and based … Read more

OLA S1 E-Scooter

Ola eScooter

Ola S1 E-Scooter are the number one selling scooters in India in the electric 2 wheeler market. In 2023 Ola sold 252,647 units (till dec21). Ola S1 comes in three models: Ola S1 Pro, S1 Air and S1X. In this article we will see benchmarking of OLA battery pack for S1. S1 air and X … Read more

NMC Composition


NMC Composition can be difficult to understand at first and so here is a walk through the compositions and what they actually mean. The 33%,33%,33%, in NMC111 is the composition of Ni, Mn, Co among themselves rather than the compound (Li Nix Mny Coz O2) as a whole.    I have calculated the % m/m of all elements … Read more

LG INR 21700 M50

LG INR 21700 M50 has an NMC 811 formulation for the cathode and a Graphite-SiOx anode. It is in the 21700 cylindrical format. Key features Designed to meet Dimensions The diameter is given based on largest measurement at the top of the cell (Section A) Test data Capacity vs Temperature Discharge Temperature [°C] Energy [Wh] -10 … Read more

NMC 9.5.5 for Li Ion Batteries

NMC 9.5.5 for Li Ion Batteries

Synthesis, Scale up, and Optimisation of NMC 9.5.5 for Li-Ion Batteries. Ethan Williams, David Burnett, Peter Slater, Emma Kendrick School of Metallurgy and Materials, University of Birmingham, Elms Rd, Birmingham B15 2SE Abstract Motivation Methods 3. Firing Conditions Study Improved capacity retention in B-NMC samples due to suppression of irreversible H2-H3 phase transition as revealed … Read more