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release time:2024-04-11 Hits: Popular:AG11 battery
The global NiMH No.7 batterylife nightmare is lingering. How far is the breakthrough of NiMH No.7 batterytechnology?
In the era of smartphones, another industry has become popular: mobile power supplies. Because the NiMH No.7 batteryof the mobile phone itself is not enough, mobile phones that run out of power after playing casually for half a day are everywhere now. To put it bluntly, a mobile phone that can actually meet the standby needs should weigh the same as your mobile phone plus your mobile power supply. But no one wants to carry a product that looks like a brick, right? This is a reversal of history. But where is the ideal battery?
Ancient Batteries and the Great Media Deception
All batteries are actually electrochemical reactions. In middle and high school chemistry textbooks, we use copper rods and zinc rods placed in a beaker filled with dilute sulfuric acid. At this time, if we connect the copper rods and zinc rods with wires, current will flow through them. You can also use a multimeter. to measure this relatively weak current.
Galvanic cell reaction: gaining and losing electrons is the theoretical basis of all batteries
What is mentioned above is the original battery. All batteries today, in essence, are still inseparable from cathodes, anodes and redox reactions. In the primary NiMH No.7 batteryin the picture above, zinc loses two electrons and copper gains two electrons.
Domestic supercapacitor buses are demonstrating charging, with a maximum charging current of 800 amps and a maximum charging power of 600 kilowatts.
Nowadays, many ignorant reporters or reporters who lack the ability to understand natural science often promote a product: a certain scientist has invented a new NiMH No.7 batterytechnology that can be fully charged in XX seconds! Please, this kind of thing that can be fully charged in a few seconds is a capacitor, not a battery! The difference between capacitors and batteries is that batteries use chemical reactions to store and release electricity, while capacitors are potential differences, and the unit of capacitance is Faraday. Our common batteries and chargers generally use ampere-time to label capacity. The characteristic of capacitors is that they can be charged very quickly, but they are two different things from batteries. Supercapacitors can currently only be used in environments such as buses. The charging current is as high as 200 amps (iPad is about 2 amps), but the NiMH No.7 batterylife after charging is only a few kilometers. Supercapacitors are just one direction of research, and there is still a long way to go before they can replace today's rechargeable batteries.
Nightmare Interface: Is there a super NiMH No.7 batterythat allows smartphones to last a week on a single charge?
For people nowadays, smartphones are easy to use but have short standby time, which has become a worry for everyone. The current solution is to solve the power consumption of the processor... instead of improving the battery. So where is the bottleneck of the battery? ?
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