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Property and Equipment (Details) - Schedule of Property and Equipment - EUR (€)
Jun. 30, 2023
Dec. 31, 2022
Property and Equipment (Details) - Schedule of Property and Equipment [Line Items]    
Property and equipment, gross € 185,392 € 166,060
Accumulated depreciation (25,628) (15,577)
Property and equipment 159,764 150,483
Furniture [Member]    
Property and Equipment (Details) - Schedule of Property and Equipment [Line Items]    
Property and equipment, gross 49,063 49,063
Laboratory Photovoltaic Installation [Member]    
Property and Equipment (Details) - Schedule of Property and Equipment [Line Items]    
Property and equipment, gross 116,912 98,792
Tools and Machinery [Member]    
Property and Equipment (Details) - Schedule of Property and Equipment [Line Items]    
Property and equipment, gross 6,026 5,458
Computer [Member]    
Property and Equipment (Details) - Schedule of Property and Equipment [Line Items]    
Property and equipment, gross € 13,391 € 12,747