from chemistry to pack
Author Dr. Simon Madgwick of Nuvvon Inc. Nuvvon recently showed their solid state 5Ah SiC NMC cell cycling continuously at 3C/5C for 1000 cycles full DOD to 90% SOC. Then incredible sub-zero temperature performance discharging down to -50°C with over 50% capacity and charging at -40°C. Here is the final post on these 5Ah Silicon cells – comparing … Read more
With so much data now available in the Battery Pack Database it is interesting to look at Cell to Pack Mass Ratio by Chemistry and Format. Note that for this analysis we have excluded all of the BESS packs as they tend to not be as mass sensitive as mobile applications. The fixed lines showing … Read more
How does the carbon footprint change with cell chemistry? With the EU Battery Passport and India’s Battery Pack Aadhaar Number we are looking for all the levers we can use to improve our battery pack designs. The carbon footprint of manufacturing a battery cell varies significantly, with estimates ranging broadly from 10 to 394 kg … Read more
Author: Dominic Pascal Förstermann, Akkuracy Battery chemistry choices affect everything from product safety certifications to insurance and procurement decisions — yet the common viewpoint remains “LFP is safe, NMC is dangerous.” But is that actually true? This article looks at the empirical data. In order to describe the safety aspects fully, it is split into … Read more
The 2026 VW Polo MEB+ has been talked about for some time as this will be the first vehicle to take the PowerCo unified cell. The technology partner for these cells is Gotion and we have already seen numbers for the cells. This post has been built based on the support of and sponsorship from: Quarto Technical … Read more
So what is the optimum calender roll temperature versus chemistry? We looked at a number of papers to offer an initial roll temperature and reasoning behind it. This is not extensive and as we have seen there are a number of other aspects that need to be considered such as energy use, LCA and capital … Read more
AION Engineering INC The performance of a lithium-ion cell is fundamentally governed by its material chemistry, particularly the composition of its cathode active material (CAM). In this article, we focus specifically on the role of nickel content in Nickel Manganese Cobalt Oxide (NMC) materials and how it correlates with energy density and power capability. Although … Read more
The energy storage industry just crossed another important milestone. CATL has launched the world’s first 9MWh energy storage system built for mass production. The system is called the TENER Stack. This isn’t simply a larger container. Rather than building a single oversized unit that would trigger regulatory and logistical issues, CATL introduced a modular “two-in-one” … Read more
How do different battery chemistries compare in terms of calendar ageing? When we look at battery lifetime the standard method used by industry has two fundamental test regimes as inputs: Here we are focussing on the Calendar Ageing, this is all about how the cell ages just left on a shelf doing nothing. Dubarry et … Read more
Author: rhd instruments GmbH & Co. KG Introduction As the solid-state battery field matures and more attention is turned to detailed characterization of interfaces and individual redox processes, the need for a suitable reference electrode (RE) system emerges, in order to enable three-electrode measurements [1, 2, 3]. While the use of standardized REs is well-established … Read more