SHENZHEN ENERVOLTS TECHNOLOGY BLOG

  When it comes to emergency roadside assistance, reliability is non-negotiable. For years, lithium-ion battery technology has been the undisputed king of portable jump starters due to its high energy density. However, as automotive technology advances, a new contender is shaking up the industry: Sodium-ion (Na⁺) battery technology. For distributors, fleet managers, and retailers looking for the next generation of reliable starting power, understanding the differences between sodium-ion and lithium-ion is crucial. Here is a deep-dive comparison between these two chemistries and why sodium-ion is becoming the ultimate choice for extreme environments. 1. Temperature Resilience: The Sub-Zero Showdown The most critical weakness of traditional lithium-ion jump starters ​ is cold weather. In freezing temperatures, the liquid electrolyte inside a lithium battery becomes viscous, drastically slowing down ion movement and reducing cranking amps when you need them most. Lithium-Ion: Standar...

 It is understood that sodium-ion battery ​ is a secondary battery (rechargeable battery) with a similar working principle to lithium-ion battery. The positive and negative electrodes are composed of two different sodium ion embedded compounds. During charging, Na+ is extracted from the positive electrode and embedded in the negative electrode through the electrolyte. At the same time, the compensation charge of the electrons is supplied to the negative electrode through the external circuit to ensure the charge balance of the positive and negative electrodes. During discharge, the opposite is true. Na+ is extracted from the negative electrode and embedded in the positive electrode through the electrolyte. Under normal charging and discharging conditions, the embedding and extraction of sodium ions between the positive and negative electrodes does not destroy the basic chemical structure of the electrode material. From the perspective of charge and discharge reversibility, the sodi...