Search results for: “charger charging”
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Lithium ion batteries for electric vehicles: what challenges?
This data-file tabulates the greatest challenges for lithium ion batteries in electric vehicles, which have been cited in 2020’s patent literature. Conclusions are spelled out in detail, covering energy density, “million mile” longevity and electric semi-trucks. Companies profiled include Tesla, CATL, LG, Sumitomo, et al.
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Turbo-charge gas turbines: the economics?
This data-file models the economics of turbo-charging gas turbines, which increases the mass flow of combustion air, to improve their power ratings by c10-20%. IRRs are solid. Turbo-charged gas turbines could thus gain greater share as grids become saturated with renewables
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Prevailing wind: new opportunities in grid volatility?
UK wind power has almost trebled since 2016. But its output is volatile, now varying between 0-50% of the total grid. Hence this 14-page note assesses the volatility, using granular, hour-by-hour data from 2020, to outline which backup opportunities are best-placed.
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Quantumscape: battery breakthrough?
This data-file reviews 25 of QuantumScape’s 2019-20 patents, in order to substantiate its claims of a solid-state battery than can achieve c50-100% higher energy density than conventional lithium ion batteries, 3x faster charging, while also surviving hundreds of charge-discharge cycles without degradation.
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Solid state batteries: will they change the world?
Solid state batteries promise 2x higher energy density than traditional lithium ion, with 3x faster charging and lower risk of fires. They could re-shape global energy, especially heavy trucks. But the industry has been marooned by uncontrollable cell degradation. QuantumScape’s disclosures suggest it is light years ahead. But costs may remain high.
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StoreDot: battery breakthrough?
StoreDot is developing “extreme fast-charging” batteries for electric vehicles, using a proprietary range of nanomaterial additives. It claims prototype cells can charge 5-6x faster than conventional lithium ion. This data-file assesses StoreDot patents from 2019-20, looking to de-mystify its breakthroughs.
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DC-DC power converters: efficiency calculations?
DC-DC power converters are used to alter the voltage in DC circuits, such as in wind turbines, solar MPPT, batteries and digital/computing devices. This data-file is a breakdown of DC-DC power converters’ electrical efficiency, which will typically be around 95%. Losses are higher at low loads. We think there will be upside for increasingly high-quality…
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Battery recycling: the economics?
This data-file models the economics of recycling spent lithium ion batteries, taking in waste cells, and recovering materials such as cobalt, nickel, manganese, copper, aluminium, lithium and steel. It currently looks challenging to generate acceptable IRRs without charging a disposal fee in the range of $1,700-2,000/ton. This could change through more automated processes.
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Power capacity of a typical home?
A typical home in the developed world currently has a 10kW maximum power capacity before tripping its circuit-breaker (although it varies). This could easily double in the energy transition, due to phasing back gas heating, gas cooking and the addition of home charging stations for electric vehicles.
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Combined heat and power turbines: market sizing?
The purpose of this data-file is to ballpark the ultimate potential market size for combined heat and power systems in the US (CHPs). Our build-up looks across five main categories: large power facilities, large industrial heating facilities, landfill gas, electric vehicle charging and smaller-scale commercial and multi-family usage.
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