Complex metal hydride

Okay kiddo, you know metals like iron and gold right? Well there are some special combinations of metals and a gas called hydrogen that we call complex metal hydrides. They are like a group of friends who hang out together and have their own special abilities.

These metal hydrides are very good at storing and releasing hydrogen gas. Just like how you store your toys in a toy chest and take them out when you want to play with them, these metal hydrides can store lots of hydrogen gas when it is not needed, and then release it when it's time to use it.

The reason they are called "complex" is because they actually have a very special structure. Imagine a big Lego tower where all the little pieces fit perfectly together. These metal hydrides are like that, with the metals and hydrogen gas arranged in a very specific way.

Scientists are very excited about complex metal hydrides because they can be used to make new clean energy sources. They can be used to power cars and even generate electricity for homes. So while they may seem complex and a little confusing, they are actually pretty cool and have the potential to help us make the world a better place.