Start here · Essential guide
How Batteries Store Energy: A Plain-Language Guide
A plain-language look at the chemistry inside a battery, and why capacity (how much energy it holds) and power (how fast it can deliver it) are different things.
Connected World
Storing and moving electricity in a changing energy system.
Start here · Essential guide
A plain-language look at the chemistry inside a battery, and why capacity (how much energy it holds) and power (how fast it can deliver it) are different things.
How charging points connect to the electricity network, why grid capacity matters as much as plug count, and how timing and smart control can ease the load.
A balanced overview of hydrogen as an energy carrier: how it is made and used, where it may help, and why efficiency, storage and cost remain real challenges.
Why lithium-ion batteries power phones, laptops and electric cars, what limits them, and the everyday factors that make them age, from heat to deep discharge.
How nuclear fusion works, why it is so hard to turn into a practical power source, and what researchers still need to solve before it could supply electricity.
What makes an electricity grid smart: two-way information flow between utilities, meters and devices, and how it helps balance supply and demand.
What solid-state batteries are, why researchers hope they could store more energy more safely, and the technical and manufacturing hurdles still unresolved.
Why solar and wind output rises and falls with the weather, how that clashes with steady demand, and the ways storage and other tools help balance the grid.
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