Nickel sulfate (NiSO₄) is a common nickel compound that is widely used in electroplating, battery materials, and chemical reagents. Traditional nickel sulfate production processes often rely on high-emission fossil fuels, however, low-carbon nickel sulfate is a nickel sulfate that significantly reduces carbon emissions through energy conservation, renewable energy or improved process processes. The following are several common low-carbon nickel sulfate preparation methods: 1. Use green electricity: Use renewable energy sources (such as wind, solar) to generate electricity, thereby reducing the production of carbon dioxide. 2. Green chemistry: By optimizing chemical reaction paths and conditions, reducing intermediate steps (reducing the use of high-carbon excipients), fundamentally reducing energy consumption and waste emissions. 3. Circular economy: Waste nickel batteries and other nickel-containing materials are recycled and remanufactured into nickel sulfate. This not only saves resources, but also reduces the environmental pressure of mining new nickel ore. The application of low carbon nickel sulfate in electroplating process can greatly reduce carbon emissions in metal coating production, providing a more environmentally friendly choice for manufacturing industry. Nickel is an indispensable element in new energy vehicle batteries. Especially in lithium-ion batteries, nickel-based cathode materials (such as nickel-cobalt-manganese oxides, NCM) are favored. Such materials not only provide a high energy density, but also maintain a long life cycle, providing a strong range for electric vehicles. The use of low-carbon nickel sulfate helps to reduce the carbon footprint of the entire battery production process, which is conducive to achieving the green goal of electric vehicles. Despite the significant advantages of low carbon nickel sulfate in reducing carbon emissions, there are still some challenges to its large-scale adoption, including: Cost: Green preparation processes are often more complex than traditional processes and have higher initial inputs. Technology maturity: Some low-carbon preparation methods are still in the research and development stage, and further technological breakthroughs and validation are needed. Market acceptance: Market awareness of low-carbon products needs to be improved, and consumers and businesses need time to adjust to this shift. However, with policy-driven and technological advances, these challenges are expected to be gradually addressed. Low-carbon nickel sulfate as an innovative material, its green preparation method and wide application prospects make it a key element in combating climate change and achieving sustainable development.