Maxwell battery was invented by John Maxwell in 1866. It is one of the earliest commercial dry batteries. At that time, Maxwell battery used zinc and carbon (or copper) as electrode materials, and the electrolyte was composed of acid and salt. This kind of battery is characterized by large capacity, stable current and reliable power supply.
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The invention of Maxwell battery is an important milestone of dry battery technology, which laid the foundation for the subsequent development of dry battery. With the progress of science and technology, dry batteries have gradually evolved into more efficient and environmentally friendly products. At present, there are many different models and specifications of dry batteries to choose from, such as alkaline batteries and lithium batteries. These dry batteries are widely used in various electronic devices, such as remote controllers, alarm clocks, digital cameras and so on. At the same time, with the rise of rechargeable batteries (such as lithium-ion batteries), the application scope of dry batteries is gradually limited, but dry batteries are still a common and convenient power supply option.