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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 -
IQOONeo8 Series Coming: Standard Edition Equipped with Qualcomm Snapdragon 8+
On May 13th, KuaiTech announced that iQOO will release the iQOONeo8 series on May 23rd. This time, iQOO will launch two models, the Neo8 and Neo8Pro, with the iQOONeo8Pro launching on the flagship platform of the Ketianji 9200+...
Mobile Internet 2023-05-14 10:23:21 -
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 -
One minute, one dollar! American internet celebrities use GPT to create virtual girlfriends, earning $70000 a week
Zhao Ziyi, Editor of Pengpai News (00:38)Virtual partners may become a new business in the AI field.On May 10th local time, a report by Fortune magazine showed that a internet celebrity named CarynMarjorie, who has 1...
Intelligent devices 2023-05-13 10:26:05 -
Will Musk be more focused on building cars when Twitter finds a new CEO?
On May 12th, analysts believe that Elon Musk's choice of a new CEO for Twitter mayCanLess distractions, allowing him to focus more on Tesla's development. At present, the problem of Tesla's declining demand has been troubling Musk...
internet 2023-05-12 22:45:20 -
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 -
Summary of several methods for removing duplicate data in SQL (window function for data deduplication)
catalogueMethod 1: distinctMethod 2: groupbyMethod 3: Window functionWhen using SQL to extract and analyze data, we often encounter scenarios where data is duplicated, requiring us to perform data deduplication and subsequent analysis.Taking the sales report of a certain e-commerce company as an example, we commonly use distinct or group by statements to deduplicate data...
Database Operation Tutorial 2023-05-12 12:13:26 -
Summary of three methods for creating SQL Server databases
catalogue1 Creating a database using SQL Server Management Studio2 Create a database using the CREATE DATABASE statement.3 Creating a database using a templatesummaryThere are three ways to create a database...
Database Operation Tutorial 2023-05-12 12:13:22 -
Solution to Short Term Forced Expiration of SQL Server Database Passwords
1. Open Sqlserver, select the account under the login name, right-click, and click Properties2...
Database Operation Tutorial 2023-05-12 12:13:01 -
VS comes with SQL; Server changes password and connects for use
Next, please follow these steps:After completing the above steps, you should be able to usesaConnect the user and their password to the SQLServerExpressLocalDB instance in the program. Simply use" in the connection string; UserId=sa" And" Password=YourPassword" (Among themYourPasswordIt is the actual password you set...
Database Operation Tutorial 2023-05-12 12:12:09 -
Summary of 5 Methods for Creating Indexes in SQL Server
cataloguePreliminary preparation:Create clustered indexMethod 1Method 2Create composite indexCreate overlay indexCreate Unique IndexFilter IndexSummary:Preliminary preparation:createtableEmployee(IDintnotnullprimarykey,Namenvarchar(4),Credit_ Card_ IDvarbinary(max));--- Be careful with this data type. goExplanation: All indexes on this table will be deleted before creating the next index...
Database Operation Tutorial 2023-05-12 12:11:54
