Amprius: silicon anode technology review?
…silicon anode batteries in the past is swelling 3-4x when lithium ions intercalate. This can cause battery degradation, reviewed in detail in our note here. Amprius states that its technology…
Powin: grid-scale battery breakthrough?
…software-side. This includes smart features allowing operators to control the way batteries are balanced. The technology also tracks whether batteries are still covered within warranty, on systems envisaged to have…
Battery degradation: what causes capacity fade?
…decline rate for batteries of around 2% per 1,000 cycles. The fastest degradation rates for lithium ion batteries were seen in NCA chemistries, cycled from 0% state of charge to…
Battery degradation: causes, effects & implications?
…in the demand for batteries, for lithium and high-quality power electronics, especially if batteries are to backstop renewables. $499.00 – Purchase Checkout Added to cart Battery degradation matters. Small changes in battery…
Round Trip Battery Efficiencies
…efficiency of the battery (kWh recovered per kWh fed in) divided by the energy efficiency of the displaced energy source. We see great potential in “good batteries”, for example, electrification…
Battery Patents: Lithium Leaders and New Breakthroughs?
This data-file tabulates the number of patents filed into different types of batteries, by year and by geography. Hence, we have identified the patent leaders in lithium ion technology, based…
Decarbonized power: how much wind and solar fit the optimal grid?
…of new wind and solar will fail to dispatch, while incentive prices will have trebled. Batteries help little. They raise power prices by a further 2-5x to accommodate just 3-15%…
Energy Technologies and Energy Transition
…16-pages) Energy storage: will supercapacitors disrupt batteries? (June-2020, 20-pages) Electric Vehicles Increase Fossil Fuel Demand? (Feb-2020, 13-pages) Good batteries versus bad batteries: round trip? (June-2019, online) https://thundersaidenergy.com/2020/07/03/green-hydrogen-economy-holy-roman-empire/ Transportation & Vehicles…
Backstopping renewables: cold storage beats battery storage?
…in freezers and refrigerators, which make up 9% of US electricity. This is superior to batteries which add costs and incur 8-30% efficiency losses. We review 5,800 patents and identify…
Electric trucks: what battery sizes?
This data-file models the possible battery sizes in a fully electric semi-truck. Lithium ion batteries up to 15 tons are considered, which could deliver 2,500 miles of range, comparable to…