from chemistry to pack
“Sustainability” gets used as a marketing word more often than an engineering one. For battery design it has a specific, measurable meaning: the environmental and social cost of a pack across its entire life, from ore extraction to the moment its last usable atom is recovered or discarded. This page sets out what that actually … Read more
The total lifetime emissions of a battery is dependent on the emissions generated in making it and how long it lasts, hence “Carbon Footprint is a 2-axis Problem”. Hence if we select a chemistry that has higher initial emissions but lasts much longer we could overall have a lower impact on the planet. Carbon Footprint … 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
Yanti Innovative Electromotive Solutions Pvt Ltd Abstract A module at 78% state-of-health (SoH) is scrapped as end-of-life; after reconditioning, it powers a stationary storage for three more years. Another at 82% SoH fails weeks into revival. Conventional metrics cannot explain the difference. Field analysis of >1,000 EV modules across platforms reveals that recoverability the probability … Read more
We look at the battery value chain and see a huge number of steps. However, when we step into even one element such as cell components we see another expansion of the value chain. In the world of batteries this is interesting when we are looking for the value, where are the “Levi’s” and “Pick … Read more
Battery electric vehicles (BEVs) are seen as the cornerstone of a more sustainable future of transport. Batteries are the key technology for powering these vehicles. However, the production of battery cells involves energy-intensive processes that result in significant CO2e emissions. As a result, BEVs have higher carbon footprint in production than internal combustion engine (ICE) … Read more
The energy used to make a battery is an interesting topic as the whole premise is that it is a “green” product. Yuan et al [1] looked at the LMO/Graphite based 24kWh pack in the Nissan Leaf and came to a total energy requirement per kWh of cell capacity of 679kWh/kWh. These energy figures are … Read more