When the battery is charging up, the lithium-cobalt oxide, positive electrode gives up some of its lithium ions, which move through the electrolyte to the negative, graphite electrode and
When the battery charges, lithium ions move from the cathode to the anode, storing potential energy. During discharge, the ions flow back to the cathode, releasing that stored energy as
What is a Lithium-Ion Battery? A lithium-ion (Li-ion) battery is a type of rechargeable battery that relies on lithium ions (Charged Atoms) to store and release energy.
Lithium-ion batteries are key to grid storage systems, helping to stabilize the grid by storing excess energy generated from wind or solar power and releasing it when needed.
From laptops and cell phones to hybrids and electric cars, this technology is growing in popularity due to its light weight, high energy density, and ability to recharge. So how does it work?
From EVs to industrial storage systems, lithium-ion batteries are driving the shift towards cleaner, environmentally friendly energy. So, how exactly do these batteries work? At YOK Energy,
The efficient movement of lithium ions provides the battery with high energy density, allowing it to store more energy in a smaller volume. Lithium-ion batteries are widely used in
The lithium-ion (Li-ion) battery is the predominant commercial form of rechargeable battery, widely used in portable electronics and electrified transportation. The rechargeable battery was invented in 1859
At their core, lithium batteries store and release electrical energy through the movement of lithium ions between two electrodes—known as the anode and the cathode—via a liquid or gel-like
Learn lithium ion battery how it works — from the internal chemistry and structure to charging, discharging, and safety features. Discover how these powerful energy systems drive
PEES Power Systems is a leading provider of advanced energy solutions in South Africa and Africa. We specialize in microgrid systems, solar photovoltaic (PV) power generation, BESS (battery energy storage systems), grid‑tied / hybrid / off‑grid inverters, PCS power conversion systems, EMS energy management systems, BMS battery management systems, lithium‑ion & LiFePO4 batteries, and modular energy storage systems. Our portfolio also includes energy storage containers, energy storage cabinets, containerised power stations, off‑grid power supply systems, backup emergency power, clean energy solutions, new energy storage systems, and green power systems. We offer battery cabinets with integrated BMS, outdoor all‑in‑one storage cabinets, commercial & industrial storage, communication battery cabinets, server racks, and transformer capacity expansion services. Whether you need a small off‑grid system or a zero‑carbon factory solution, our products deliver reliability and performance.
Our modular energy storage solutions range from 20ft/40ft mobile containers to outdoor all‑in‑one energy storage cabinets. We are a leading manufacturer of battery cabinets with BMS, offering communication battery cabinets for telecom, server racks for data centers, and energy storage battery BMS systems. We utilize lithium‑ion energy storage batteries and LiFePO4 batteries for optimal safety and lifecycle. Our stackable design allows flexible capacity expansion, while our grid‑forming technology ensures stable microgrid operation. Whether for distributed PV systems, off‑grid power supply, backup emergency power, or large zero‑carbon parks, our products feature advanced thermal management, PCS and EMS integration, and compliance with South African and international standards. We also provide professional energy storage system installation and after‑sales support, and we help clients navigate energy storage subsidies where applicable.