Okuma AnlamaSoru #11466
The Next Frontier in Battery Technology
The rapid transition toward renewable energy and electric transportation hinges fundamentally on breakthroughs in battery chemistry. While conventional lithium-ion batteries have powered consumer electronics and the initial wave of electric vehicles with remarkable success, they face inherent limitations in energy density, charging speed, and thermal stability. The flammable liquid electrolytes used in traditional cells pose persistent fire risks under mechanical impact or overcharging. To address these vulnerabilities, researchers are pioneering solid-state batteries, which replace volatile liquid solutions with solid ceramic or polymer electrolytes. This architectural shift not only virtually eliminates catastrophic combustion hazards but also accommodates pure lithium-metal anodes, substantially boosting energy density. Consequently, future electric vehicles equipped with solid-state cells could achieve driving ranges exceeding eight hundred kilometers on a single fifteen-minute charge. According to the passage, solid-state batteries represent an improvement over conventional lithium-ion batteries because they ----.
- A)rely entirely on timber and compressed paper instead of metallic conductors
- B)utilize a solid electrolyte that eliminates the flammability risks associated with liquid solvents
- C)can only be charged once before being discarded into municipal landfills
- D)produce zero electric current during sub-zero winter temperatures
- E)require lead-acid plates that double the weight of electric passenger vehicles
Cevabı ve çözümü göster
Doğru cevap: B) utilize a solid electrolyte that eliminates the flammability risks associated with liquid solvents
Çözüm: Metinde katı hal pillerinin (solid-state) sıvı elektrolit yerine katı elektrolit kullanarak alev alma riskini ortadan kaldırdığı ve daha güvenli olduğu açıkça belirtilir. Doğru cevap B'dir.