The African Development Bank will finance $25 billion by 2025 to support Africa's fight against climate change, the bank's president said at the bank's annual meeting in Accra, Ghana.
He noted that climate change has had many negative impacts on the continent, causing natural disasters such as droughts, cyclones, and floods. Climate change costs Africa between $7 billion and $15 billion a year. "Africa has no choice but to address climate change."
To ensure Africa's food supply, the African Development Bank has delivered climate-friendly seeds to 12 million farmers in 27 countries in the past two years under the "Technology for Agricultural Change in Africa" program, he said.
In the area of renewable energy, the African Development Bank is implementing a $20 billion "Desert Power" initiative in the Sahel that is expected to power 250 million people, he said.
US President Joe Biden recently wrapped up his five-day trip to Asia with a summit of leaders of the "Quad" security Dialogue.
Biden has promoted a number of economic and security cooperation initiatives during his visit aimed at deepening ties with Indo-Pacific Allies and partners in response to China's growing influence in the region. Some analysts in the United States believe the most significant announcement may be an initiative to share maritime information to combat illegal activities. But other experts say Biden's move sets a good framework for more security cooperation, though it remains to be seen whether concrete action will follow.
Affected by several factors, the supply of the silicon carbide is erratic and thus its prices are expected to go higher in the future.
What is silicon carbide?
Silicon carbide is a compound made of silicon and carbon. This compound is found in a mineral called moissanite. The natural form of silicon carbide is named after the French pharmacist Dr. Ferdinand Henri Moissan. Moissanite is usually found in meteorites, kimberlite and corundum. As a result, most commercial silicon carbide is synthetic. Although it is difficult to find naturally occurring silicon carbide on Earth, it is quite abundant in space.
What advantages does silicon carbide have?
The characteristics of silicon carbide include stable chemical properties, high thermal conductivity, low thermal expansion coefficient, good wear resistance, high hardness (Morse hardness of 9.5, second only to the world's hardest diamond (grade 10), excellent thermal conductivity, strong oxidation resistance at high temperature and so on.
Silicon carbide semiconductor
Because silicon carbide has incomparable excellent properties, silicon carbide is a kind of wide band gap semiconductor materials, which is mainly characterized by high thermal conductivity, high saturation, electron drift rate and high impact field strength, so it is used in all kinds of semiconductor materials. Silicon carbide devices mainly include power diodes and power switches. Power diodes include JBS diodes, PiN diodes and superjunction diodes, while power switches mainly include metal oxide semiconductor field effect switches (MOSFET), junction field effect switches (JFET), bipolar switches (BJT), insulated gate bipolar transistors (IGBT), gate turn-off thyristors (GTO) and emitter turn-off thyristors (ETO).
Silicon carbide semiconductor devices, with the characteristics of high frequency, high efficiency and high temperature, are especially suitable for applications that require strict efficiency or temperature. It can be widely used in solar inverter, vehicle power supply, motor controller of new energy vehicle, UPS, charging pile, power supply and other fields.
What is silicon carbide inverter?
Silicon carbide-based inverters are known for providing higher power density than traditional inverters, while requiring less cooling and lower overall system costs.
Silicon Carbide Price
The price is influenced by many factors including the supply and demand in the market, industry trends, economic activity, market sentiment, and unexpected events.
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