Articles on Batteries

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An artisanal miner holds a cobalt stone at the Shabara artisanal mine near Kolwezi. Junior Kannah/AFP via Getty Images

DRC is the world’s largest producer of cobalt – how control by local elites can shape the global battery industry

The Democratic Republic of Congo is the world’s major supplier of cobalt, used in electric vehicle batteries, and is asserting its rights as an equal partner in the renewable energy transition.
The Punch Powertrain Solar Team car from Belgium competes in the 2017 World Solar Challenge near Kulgera, Australia. AP Photo/Geert Vanden Wijngaert

Why aren’t there solar‑powered cars?

It’s common to see solar panels on rooftops and fields, but they aren’t widespread on cars − yet.
An aerial view of pools of brine that slowly evaporate, leaving behind lithium and other minerals, in the SQM mine in the San Pedro de Atacama desert, in northern Chile, on April 18, 2023. (AP Photo/Rodrigo Abd)

The importance of critical minerals should not condone their extraction at all costs

The temptation to justify critical minerals mining at all costs is a dangerous fallacy. The social and environmental impacts of poorly mined critical minerals are dire.
A large-scale battery storage system in Long Beach, Calif., provides renewable electricity during peak demand periods. Patrick T. Fallon/AFP via Getty Images

What is a virtual power plant? An energy expert explains

Some power plants don’t have massive smokestacks or cooling towers – or even a central site.
In June 2023, a fire started at this e-bike shop in New York City and spread to upper floors of the building. AP Photo/Bebeto Matthews

Lithium‑ion battery fires are a growing public safety concern − here’s how to reduce the risk

Lithium-ion batteries power many electric cars, bikes and scooters. When they are damaged or overheated, they can ignite or explode. Four engineers explain how to handle these devices safely.
Long the industry standard, lithium-ion batteries come with considerable drawbacks that limit their widescale adoption as the grid-energy storage medium of choice. THE CANADIAN PRESS/Jeff McIntosh

How zinc‑ion batteries may solve our renewable energy storage problem

Lithium-ion batteries are holding back the full-scale decarbonization of Canada’s energy grid. Zinc-ion batteries may be the solution.

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