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All solid-state batteries welcome technological innovation: The University of Maryland team has prepared high energy density lithium sulfur batteries, which are expected to be used in battery products and electric vehicles and other fields
This is the last project of my doctoral program,For the first time in the world, fully solid-state oxide solid-state lithium-sulfur batteries have been achieved without the need to add any liquid electrolyte.This technology is a technological innovation in the field of solid-state batteries, and is based on the raw materials and preparation methods of the battery, which is conducive to the large-scale commercial production of this all solid-state battery A doctoral graduate from the University of Maryland in the United States...
Intelligent devices 2023-05-14 11:22:18 -
Urgent reminder from Huawei executives! Please do not do this, otherwise you may lose your warranty
Mobile phone manufacturers are increasing their focus on folding screens, and new models are being released intensively; The continuous improvement of display materials and technology, as well as the integration and reshaping of the industry chain....
Intelligent devices 2023-05-14 11:22:16 -
JD.com changes its style and changes its own life?
Original by ShenrancaijingAuthor | Tang YahuaEditor | DawnOnce again, a major earthquake occurred in JD.com, causing the second position to change ownership...
Intelligent devices 2023-05-14 11:21:45 -
The performance is completely substandard, and the energy density of the Tesla 4680 battery is 13% lower than that of the 2170 battery
IT Home reported on May 14th that although Tesla CEO Elon Musk has been advocating for the benefits that 4680 batteries can bring, the 4680 batteries produced at this stage seem far from meeting theoretical performance indicators.@TroyTesla calculated based on the results of the Tesla Model Y endurance test released by the EPA, and found that the energy density of the 4680 battery used in a small portion of the standard endurance Model Y models in the United States is 13% lower than the 2170 battery commonly used by Tesla worldwide, with only 229Wh/kg (Texas produced 4680 batteries have a nominal capacity of 244Wh/kg, while the theoretical capacity can reach over 300Wh/kg)...
Mobile Internet 2023-05-14 10:23:21 -
Xiaomi Security Center updates and stops supporting product list, including RedmiK30
On May 14th, IT Home reported that Xiaomi provides continuous security updates for its smartphones, covering phones from Xiaomi, Redmi, and POCO brands. The security updates provided by Xiaomi include the latest security patches, security issue fixes, and other security improvements...
Mobile Internet 2023-05-14 10:23:17 -
The Chinese are holding us by the neck! Only Musk's rocket company has over 1000 people from Tsinghua University
The Chinese are holding us by the neck! Only Musk's rocket company has over 1000 people from Tsinghua UniversityIt is not Americans who are holding us by the neck, but Chinese people, "Ren Zhengfei sincerely exclaimed.At a year-end symposium, Ren Zhengfei directly angered many Huawei executives, saying, "It's still a damn New Year! It's not Americans who are holding us back, it's Chinese people...
Intelligent devices 2023-05-13 10:19:30 -
Pan Jianwei: 255 photon computing prototypes have been implemented and the first mid to high orbit quantum satellite is being developed
In 2020, the quantum computing prototype "Nine Chapters" with 76 photons solved a specific problem of Gaussian Persian sampling at a speed of 100000 times that of the fastest classical supercomputer at the time. Recently, Pan Jianwei's team has implemented a prototype machine for calculating the amount of 933 photons with 255 photons, which has a problem-solving ability that is 1000 trillion times faster than classic supercomputers...
Intelligent devices 2023-05-13 10:19:21 -
Lenovo Amu: Under the new consumption trend, only intelligent empowering brands can stimulate consumption vitality
On May 11th, it was reported that recently, Lenovo Group Vice President Abulimiti (hereinafter referred to as "Abulimiti") stated at the China Brand New Consumption Forum that in the face of new consumption trends, intelligent means should be used to continuously empower consumer brands to upgrade, in order to better lead new consumption and promote brand development.Amu believes that the current new consumption mainly presents three major trends: experiential, service-oriented, and green...
internet 2023-05-12 14:38:10 -
SQL Server 2022 AlwaysOn New Features including Availability Group Details
catalogueHow to create an availability group?How to use including availability groups?3. Metadata synchronization verification3...
Database Operation Tutorial 2023-05-12 12:12:54 -
SQL Server 2012 High Availability Solution
SQL Server 20one2 provides multiple solutions for high availability, such as:one. By using alwayson, virtual IP addresses (VIPs) can be provided to achieve failover and read scalability...
Database Operation Tutorial 2023-05-12 12:12:46 -
SQL Server 2012 Building Database AlwaysOn (Database High Availability Cluster)
To achieve a highly available database cluster, the following aspects need to be considered:1. Database selectionSelect a database that supports high availability...
Database Operation Tutorial 2023-05-12 12:12:42 -
SQL Detailed explanation of server's row level security
catalogue1 Preface2 Description3 Permissions4 Security note: Side channel attack5 Cross functional compatibility6 Example1 PrefaceRow level security allows you to control access to rows in database tables using group membership or execution context.Row level security (RLS) simplifies security design and coding in applications...
Database Operation Tutorial 2023-05-12 12:11:21
