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The Economist
19 Sep 2024
Science & technology | Energy storage
New battery designs could lead to gains in power and capacity
Researchers are looking beyond the cathode
IN THEir QUEST to build a better battery, researchers have blazed a trail through the elements of the periodic table. The earliest prototype cells ran on nickel and cadmium; successors have used everything from zinc and iron to sodium and lead.
This article appeared in the Science & technology section of the print edition under the headline “All change”
China’s AI firms are cleverly innovating around chip bans
Tweaks to software blunt the shortage of powerful hardware
Most electric-car batteries could soon be made by recycling old ones
Mining for raw materials may peak by the mid-2030s
Earth may once have had a planetary ring
It would have collapsed 450m years ago
How bush pigs saved Madagascar’s baobabs
Non-native species are not always harmful
Geothermal energy could outperform nuclear power
Tricks from the oil industry have produced a hot-rocks breakthrough
The world’s first nuclear clock is on the horizon
It would be 1,000 times more accurate than today’s atomic timekeepers