How long is the rechargeable battery with the most battery life?

Electric energy is an indispensable form of energy in the development of modern civilization, so batteries have become an indispensable necessity in human production and life.

Battery in a narrow sense refers to a device that can convert chemical energy into electrical energy. Batteries used in our daily life all belong to this column, such as the most common dry battery, namely manganese zinc battery. In addition to nickel cadmium battery, nickel hydrogen battery, and aluminum acid battery for automobiles, etc.

The generalized battery refers to "a device that can store electric energy in other forms and can be converted into electric energy again". For example, the nuclear power battery used in some spacecraft is a device that can convert nuclear energy into electric energy. In addition, the essence of the construction of pumped storage power stations in some fields can also be regarded as an alternative form of giant cell. The so-called pumped storage power station uses redundant electric water pumps to store it, And release the peak demand and dry season for storage water power generation.

Conventional chemical energy batteries store electric energy in the form of chemical formation, nuclear batteries store electric energy in the form of nuclear energy, and pumped storage power plants store electric energy in the form of gravitational potential energy. Broadly speaking, they are batteries in essence.

When it comes to batteries, one thing is most important: battery life. The reason why people invented the battery is not only to store power, but also to provide power for electrical equipment anytime and anywhere. If the battery life of lithium battery is very short and it will run out of power soon, it must be inconvenient. I believe we all know this. The current battery life is actually far from meeting our needs. Small mobile phones are difficult to use without charging stations, and new energy vehicles driven by this kind of power are also facing similar difficulties. Improving battery life has become an urgent need.

Do you know what the most durable battery is? You may think of the nuclear battery, but no, the nuclear battery installed on Voyager 2 has lasted for more than 40 years, but the battery with the longest duration is not the nuclear battery, but the chemical battery.

Can chemical energy batteries be used for more than 40 years? Yes, it can, and there is a big gap. The longest battery ever was the Oxford clock battery. The "Oxford Bell Battery" consists of a series of dry stacks and a pair of bells. The next two dry stacks have a clock and a metal ball between the two clocks. When the bell of the metal ball is on the other side of the same charge repulsion force, when the other side collides with it, charge transfer will occur. The repulsion force pushes the ball away again, and the bell will ring depending on the continuous power supply.

How did the Oxford bell battery come about? One day in 1840, Robert Walker, a physics professor at Oxford University, bought this device from an instrument manufacturer and put it on the shelf in the hallway of Clarendon Laboratory at Oxford University.

Surprisingly, three years, five years and ten years later, the bell is still ringing, and the power supply has not been exhausted. People are very curious about when the bell will stop, so people wait for years and years. Finally, 180 years later, the bell of Clarendon Laboratory in the corridor of Oxford University is still ringing, and there is no sign of weakening. No one knows how long it will ring, and we may not be able to wait until it stops. So what is there in these two dry reactors to support the 180 year ringing?

The internal structure of the oxford bell battery dry stack is a mystery. No one knows, because it is so ancient and no one expects it to last so long, so no one has asked the instrument manufacturer about the internal structure of the dry stack, so naturally no one knows.

Why is it so difficult? Why not open the dry pile directly? Yes, if you open it, you will see. But the "Oxford Clock Battery" was sealed in an airtight double glass box from the moment of purchase, so it was completely isolated from the outside air. If you open it, it will destroy its original environment. So people will continue to wait, wait for the moment when it finally stops, and then they will open it, but no one knows how long it will open. There are many guesses about the internal structure of the Oxford bell battery. Some people think that the internal structure of the dry stack is similar to that of the modern manganese zinc battery, with manganese dioxide as the positive pole and zinc sulfate as the negative pole. But everything is a guess, and the answer will not be revealed until it stops.